Gas compressor



R. EfENGLIsH GAS COMPRESSOR Filed March lO 3 Sheets-Sheet l Y NN attorno,

R. E. ENGLISH -GAS COMPRESSOR Filed March 10. 192'3 5 sheets-sheet 2 QN mm.

y In/venirci Oct. 7 '1924. 1,510,837

R. E. ENGLISH GAS COMPRESSOR Filed March 1o. 1925 5 sheets-sheet 5 Patented 7, 1924.

UmrEosrA'rss 1,510,837v A'l'fn'rstrr oFFlcE.

ROLAND E. ENGLISH, OF MOUNT .BIAJNIB, MARYLAND.

GAS COMPRESSOR.

Application 3161i March 10, 1923. Serial No. 624,076.

To all whom 'it may comer/n:

Be it known that ROLAND E. ENGLISH, a citizen of the United States, residing at Mount Rainier, in the county of Prince Georges, State of'Maryland, has invented certain new and useful Improvements in Gas Compressors, of which the following isa specification.

This invention relates to compressors, and particularly to gas compressors for use in connection with 1ce producing plants.

An object of the invention is to provide a compressor of such construction as to be capable of employment 'either as -an independent self-contained power source for forcing gas or other fluid through the coils, or it may be used in conjunction with standard plants having compressors or pumps of other types in use; acting in the capacity of an auxiliary compressor.

A further object of the invention is to -ovide -a compressor of such character as to of small compass and vto occupy but a small amount of space, and which is constructed in such manner as to produce a maximum amount of power from the energy expended, and to create in the coils a continuous and uninterrupted flow of gas.

Further objects reside in the construction of a compressor having but few simple and readily asse1nbledparts; which may be constructed at comparatively small expense; which has its several parts so made and assembled as 'to-minimize the opportunit for wear, breakage or derangement; whic requires a lminimum amount of ener in its proper operation; and 'which wil prove thoroughly practical and efficient in use.

With these and other objects in View, the invention consists of the features of construction, combination and arran ement of parts, hereinafter fully descrlbed and claimed, reference being had to the accompanying drawings, in which Figure 1 is a side elevation of a compressor constructed in accordance with the invention, Figure 2 is a longitudinal section view taken through the improved compressor, the

same being on a slightlyenlarged scale,

Figure 3 is a transverse sectlonal view on line 3-3 of Figure 2, Y

Figure 4 is a similar view on line 4-4 of Fi re 2,

tatable v-alve disks,

1gure`5 is a face view of one of the ro? -Figure 6 is a'sectional view taken on line 6-6 of Figure 5,

Figure 7 is a sectionalfview.` taken on line 7 7 of Figure 5, d. I1`{igure 8 is an edge view of the 4valve Figure 9 is a plan View of one of the trav- ,elers,

taken through a preferred type of traveling block, V p u Figure 11 is a transverse sectional view taken through the block,

Figure 12 is a longitudinal horizontal Asectional view taken through the block, and

igure 13 is a detail fragmentary view showing one means whereby the movable gasket in the discharge chamber may be controlled.

The invention in its preferred embodiment includes a pair of -spaced heads 15 and 16 of proper size and weight and being con-` structed of any preferred material. These heads are spaced apart a proper distance to `accommodate between them the mechanism of the pump per se, and may be rigidly secured to a proper base by passing bolts through the outturned feet 17.

The heads 15--16 are connected by a casing indicated generally at 18, this casing Tlhe cylinders are each equipped with a piston '21, and the pistons of the alined cylinders of the heads 15-16 are connected by rods 22. These rods receive their longitudinal or impelling movements through .the instrumentality of a rotor 23 mounted upon a shaft 24 rotatably carried by the heads 15-16; the rotor 23 being dis osed between casing 1,8.

the said heads and housed Each of the heads is provide with roller bearings 25 to, properly support the shaft 24 and to reduce fnction to a um.

Figure 10 is av longitudinal sectional Viewv The several plates constituting the casing 18 are each provided with block guides 26,

`wi-thin which the traveling blocks or heads.

theitraveler for each block has interposed between itself and its supporting pin or stud anti-friction' members 32, to further reduce friction of the parts.

The travelers 29 may be of any preferred i type or construction, however, in the present instance, they-are constructed of superimposed plates as shown, having their ends cut away to rece-ive the anti-friction rollers 31, and these plates are rigidly held together' by means of bolts 33. 'lhe rollers 31, as will be observed, protrude beyond the sides and ends of the traveler a distance sufficient to ensure against any part of the traveler per se coming in contact with the walls of the cam oove 30.

ln Figures 10-11-,12 there is illustrated a .type of traveling block which may be employed in the practical construction of the compressor. This block comprises the body portion 27, having wear plates 35 arranged upon the top and sides thereof so as to contact with the bottom and side walls of the guides 26, and these plates are adjusted by moving the wedge members 36 which are interposed between theplates and block 27. These wed are control ed in their movements by operation of the lock nuts 37 upon the stems 38 carried by the wedges. By equipping the body 27 with the adjustable plates in this manner, it is apparent that compensation may be made for wear or disalinement that might occur in the said sliding blocks.

The outer face of each head 15 is provided With an annular recess toreceive "a circular plate 40, which, when ositioned'in the recess, has its outer face dlsposed Hush with the corresponding face of the head 15.

The plate 40 is equipped with a series 'of circular openings corresponding in osition and size. with cylinders 20, and t e said cylinders are threaded into the said openings of the plate. The outer face of'each i i pla-te 40 is provided with an annular channel or recess to receive an annulus 41 prefer-` ably formed of Babbitt-metal, and the outer aceof this annulus is disposed flush 4with the co onding faces of plate 40 and head 15. couter extremities of shaft 24 each have secured ri idly thereto a valve plate or disk 42 whic is of such size as @to plates, it will be understood,d

inrosa? cover the cylinder openings in the head, plate and annulus. The disk 42, sometimes referred to as the valve disk, is provided with intake and exhaust ports or openings indicated at 43 and 44, respectively; the intake openings adapted to pass over the outer haliE of each cylinder, and the exhaust ports being so located in the disk as to pass across the inner half of each cylinder opening. rlhe valve disk is also provided at a pro er point with.j a conventional type of safety valve indicated at 45, the purpose and function of which will be hereafter specied. The openings or ports 43-#44 have arranged therein vanes 46 disposed at such angle as to impel gases in the proper direction. The vanes 46 of the intake port are disposed in such direction as to tend to gather gases and impel them into the cylinders opened by the said port, while the vanes of the discharge or exhaust port are disposed at such angle as to create a tendency in compressed gas within the underlying cylinder to move outwardly therefrom.

The outer face of which communicate pi -es 51 to supply gas to the compressor mec ani-sm. 'llhe intake ports of the valve disks 42 communicate with the chambers thus formed by the domes 50.

Each of the disks 42`carries a cone member 53, rigidi secured at its inner or larger end to its ad]acent valve disk and enclosin.B the exhaust port 44 and safet valve 45 o said disk. The outer ends of t e cone chambers terminate in tubular members 54, which are suitably mounted in bearings carried by the outer portions of domes 50. These bearings, indicated at 55, are hollow, and have communicating therewith the discharge pipes 56, and the chambers formed by these hollowed portions receive gas under pressure from the tubular members' 54 through the ports or discharge openlngs 57 in said tubular members. A. packing gland tightly seals the tubular portion 54 in lts bearing, and movable plates 58 are arranged in .each bearing to maintain the packing 1n proper compactness. rlhese plates are adjustable longitudinally upon the tubular members 54, and are controlled by operation of lock nuts 59 upon threaded stems 6() swiveled at their inner extremities in said plates. 'The outer extremities of these stems pass through the removable cover plateA 61 `for the bearing, and a vgland nut 62 seals the cover head'upon the bearing against leakage.

ln order that a proper tight fitting oftho cylinders against their adjacent valve disks 42 may be assured, expansion springs 63 are employed. These expansion springs rest at one end against a rigid part 64 of the head, and bear at their opposlte ends against the lli) inner closed ends of the cylinders, and I therefore maintain the cylinders at all times at the outer limits of their movements. This construction ensures tight fitting ofthe Babbitt metal gasket against the rotatable disk plate, and prevents leakage as well as cornpensates for any wear that may occur due to continuous operation of the device.

The tubular member 54 at one end of the compressor comprises a drive shaft, and has secured thereto a belt or drive wheel 68 which may be connected with any source of power, or, this wheel may be coupled with a drive head 69 of any conventional type of electric motor.

`One of the plates constituting thefcasing 18 may be apertured and closed with a hand I opening 70, wherebyaccss' may be readily had to the interior of the casing for repalr or adjustment of any ofthe parts.

Gas from the brine carrier is supplied to the interior of the domes through pipes 51, the flow of the gas through saidl pipes being augmented or caused by the partial vacuums created within the domes due to the rapid operation of the pistons within their cylinders. The ipe 51 also has an extension 71 communicating with the interior of -the casing 18, whereby. any gases present within said casin due to any leakage that may have occurre will be withdrawn from said casing and taken into the domes 50 for compression and circulation. The discharge pipes 56 rise from their respective dischar e chambers and unite with a common pipe 2 leading to the eondensers.

In operation, rotary motion is applied to shaft 54 by any available or desired instrumentality, and this rotary movement is iinparted tothe valve disk 42 by means of the cone member 53 rigidly secured thereto. This power, in turnbis imparted to shaft 24, which causes rotorj23 to turn, and also the valve disk at the far end of the compressor and its associated cone member 53. As the rotor 23 turns, the pistons will be caused to reciprocate within their cylinders. The cam groove 30 will determine the proper timing of the movements of the various pistons, as will be readil understood. When a piston has'reached t e outward limit of its movev ment and'immediately rior to its retracting movement, the valve disk 42 will be in such position as to cause the intake vopenings or ports therein to begin to overlie the outer end of the cylinder, 'thus opening the interior of the cylinder to the interior of dome 50'. Throughout the retracting or inward travel of the piston this port remains open disk -will have moved out of registry with travel, the intake'port in the valve plate or the outer half of the cylinder, closing and tightly sealing the communication between in front of the samel to beforced throng the port 44 and into the cone chamber 53, from whence it -travels under high pressure throu hv ports 57 in tubular member 54 and into plpes 56.` The operations of the pistons and valve disks are then repeated, as will be understood, The pistons and valve disks are so timed that' two or more of the cylinders will be drawing gas cylinders, while the remainder of the cylinders will be discharging, thus ereating a` continuous intake, and discharge of gases and creating continuous ilow in the pipes leading to the condenser. The safety valve/45 is arrangedin the disk 42 immediately in advance ofl discharge port 44, and is so positionedthat should compression to a dangerous degree arise in thecylinder immediately underlying the same prior to the registry of the discharge port 44 therewith, the valve will open and permit escape of ases before damage can result in the mec anism. I,

From the foregoing it is apparent that I vhave rovided a compressor which is fully capab e of effectively carrying forth the several objects set forth, Aand which will prove effective in operation and economical in construction, operation and maintenance.

Having thus fully described my invention, I claim v 1. Tn a device of the class described, a casing, a plurality of cylinders arranged in groups in said casing, the cylinders of the 'said groups beingaxially alined,` pistons in said cylinders, rods connecting the pistons of the cylinders of one group with tho-se of the other, means for moving said rods, a rotatable member for each of said cylinder groups each of said members having intake and exhaust ports adapted to be brought at predetermined times into communication with each of said cylinders, and the said rotatable membersbeing operated by the said rod moving means. f

2. In a device of the class described, a pair of oppositely disposed heads, each head having a chamber therein, a cylinder in each chamber, the said cylinders being axially alined, pistons in said cylinders, rode connecting said pistons, means for moving said pistons, the said chambers being deeper than said cylinders, springs normally forcing said cylinders to their limit in one direction, and valves for each cylinder.

3. In a device of the Yclassv describe@ a into their I pair of heads arranged in spaced relation, each head having chambers therein alined with the chambers of theopposite head, open ended cylinders in each of said chambers with their open ends disposed outwards, av

rotatable valve disk on the outer face of each head, springs for forcing said cylinders against said valve disks, pistons in each cylinder, rods connecting the pistons of the opposing heads, and means for moving said pistons.

4. In a device of the class described, a head having chambers therein, cylinders in said chambers, a gasket connecting all of said cylinders and disposed flush with said head, la rotatable valve disk on said head and bearing against said gasket, and springs forcing said gasket into tight engagement with said disk.'

5. In a device of the class described, a pair of oppositely disposed heads each having a series of chambers therein opening upon the outer faces of said heads, rotatable valve disks on the outer ends of said heads, cylinders in said chambers, a gasket for each head, each gasket interposed between the head and the adjacent disk, springs forcing said cylinders and gasket in an outward direction, pistons in said cylinders, and means for moving said pistons.

6. In a device of the class described, a casing, oppositely disposed cylinders in said casing, a rotatable valve disk for each series of cylinders, an outlet chamber carried by each disk and in communication With certain of the valves of said d-isk, a dome enclosing the outer portions of each series of said cylinders and enclosing said chambers, an inlet pipe communicating with each dome, pistons ino each cylinder, and means orkoperating said pistons and rotating said 7. In a device of the class described, a casing, a head at each end of said casing, a dome enclosing the outer side of each head, pump velements in each head, a rotatable valve disk for each head within said domes and having valve openings therein, a cone chamber enclosed by each/dome' and carried by its respective disk, the interior of each chamber being in communication with certain of said valve openings and the other valve openings of said disks being in. communication with the interior of said domes,

Larose? pistons, and means for operating said pump cylinders and rotating said disk.

9. ln a device of the class described, a casing, heads at the ends of said casing, the said casing comprising plates arranged in sections, each headhaving a series ot cylinders therein and the cylinders of one head being axially alined with those of the other head, pistons in said cylinders, rods connecting the pistons of one head With the corresponding pistons of the opposite head, a rotary member in said' casing, a shaft journaled in said heads and carrying said rotary member, a cam groove in said rotary member, a slide bearing for each rod, a slide in each bearing connected to its respectiverod, a traveler for each of said slides and engaged in said groove, a dome enclosing the outer portionof each head, a cone chamber Within each dome, a valve disk for each head carried by 4said shaft and having spaced openings to communicate alternately With diderent portions of said cylinders, the said cone chamber connected to its adjacent disk and in constant communication With certain ofsaid openings, and means for rotating said shaft.

l0. A bearing for outlet chambers comprising a head, a tubular member rotatably mounted in said head and having openings 'therein disposed Within said head, the interior of said head comprising a chamber, a packing ring Within said chamber and enclosing said tubular member, threaded membersvin said head for moving said ring, a packing glandv enclosing the outer portion` of said tubularmember, and an outlet pipe in counication `with said chamber.

lin testimony whereof, he i tn .1 es his signature.

RLAND E. ',ENGLllSll-lh 

